freemarker-提示:<br>
${request.contextPath}<br>
用户名：${username}<br>
${request}<br>
<img src="${request.contextPath}/images/buy.png"/>
<br>
<form action="imgvrifyControllerDefaultKaptcha">  
<input type="text" name="vrifyCode" />
<img src="/defaultKaptcha" alt="验证码" onclick = "this.src='/defaultKaptcha?d='+new Date()*1" /> 
</br>
<input type="submit" value="提交"></input>  
</form>

